Age | Commit message (Collapse) | Author |
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This formats a struct rlimit the way rlimit_parse() expects it.
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This way we can reuse it for parsing rlimit settings in "systemctl set-property" and related commands.
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We try to fit the lengthy key data into available space. If the other
fields take less than half of the available columns, we use align everything
in the remaining columns. Otherwise, we put everything after a newline,
indented with 8 spaces.
This is similar to dig and other tools do.
$ COLUMNS=78 ./systemd-resolve -t any .
. IN SOA a.root-servers.net nstld.verisign-grs.com 2016012701 1800 900 604800 86400
. IN RRSIG SOA RSASHA256 0 86400 20160206170000 20160127160000 54549
S1uhUoBAReAFi5wH/KczVDgwLb+B9Zp57dSYj9aX4XxBhKuzccIducpg0wWXhjCRAWuzY
fQ/J2anm4+C4BLUTdlytPIemd42SUffQk2WGuuukI8e67nkrNF3WFtoeXQ4OchsyO24t2
rxi682Zo9ViqmXZ+MSsjWKt1jdem4noaY=
. IN NS h.root-servers.net
. IN NS k.root-servers.net
. IN NS e.root-servers.net
. IN NS c.root-servers.net
. IN NS b.root-servers.net
. IN NS g.root-servers.net
. IN NS d.root-servers.net
. IN NS f.root-servers.net
. IN NS i.root-servers.net
. IN NS j.root-servers.net
. IN NS m.root-servers.net
. IN NS a.root-servers.net
. IN NS l.root-servers.net
. IN RRSIG NS RSASHA256 0 518400 20160206170000 20160127160000 54549
rxhmTVKUgs72G3VzL+1JRuD0nGLIrPM+ISfmUx0eYUH5wZD5XMu2X+8PfkAsEQT1dziPs
ac+zK1YZPbNgr3yGI5H/wEbK8S7DmlvO+/I9WKTLp/Zxn3yncvnTOdjFMZxkAqHbjVOm+
BFz7RjQuvCQlEJX4PQBFphgEnkiOnmMdI=
. IN NSEC aaa ( NS SOA RRSIG NSEC DNSKEY )
. IN RRSIG NSEC RSASHA256 0 86400 20160206170000 20160127160000 54549
HY49/nGkUJJP1zLmH33MIKnkNH33jQ7bsAHE9itEjvC4wfAzgq8+Oh9fjYav1R1GDeJ2Z
HOu3Z2uDRif10R8RsmZbxyZXJs7eHui9KcAMot1U4uKCCooC/5GImf+oUDbvaraUCMQRU
D3mUzoa0BGWfxgZEDqZ55raVFT/olEgG8=
. IN DNSKEY 257 3 RSASHA256 AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0
O8gcCjFFVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0
NfnfL2MTJRkxoXbfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL4
96M/QZxkjf5/Efucp2gaDX6RS6CXpoY68LsvPVjR0ZSwzz1ap
AzvN9dlzEheX7ICJBBtuA6G3LQpzW5hOA2hzCTMjJPJ8LbqF6
dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relSQageu+ipAdTTJ2
5AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulqQxA+Uk1
ihz0=
. IN DNSKEY 256 3 RSASHA256 AwEAAbr/RV0stAWYbmKOldjShp4AOQGOyY3ATI1NUpP4X1qBs
6lsXpc+1ABgv6zkg02IktjZrHnmD0HsElu3wqXMrT5KL1W7Sp
mg0Pou9WZ8QttdTKXwrVXrASsaGI2z/pLBSnK8EdzqUrTVxY4
TEGZtxV519isM06CCMihxTn5cfFBF
. IN RRSIG DNSKEY RSASHA256 0 172800 20160204235959 20160121000000 19036
XYewrVdYKRDfZptAATwT+W4zng04riExV36+z04kok09W0RmOtDlQrlrwHLlD2iN/zYpg
EqGgDF5T2xlrQdNpn+PFHhypHM7NQAgLTrwmiw6mGbV0bsZN3rhFxHwW7QVUFAvo9eNVu
INrjm+sArwxq3DnPkmA+3K4ikKD2iiT/jT91VYr9SHFqXXURccLjI+nmaE7m31hXcirX/
r5i3J+B4Fx4415IavSD72r7cmruocnCVjcp+ZAUKeMyW+RwigzevLz3oEcCZ4nrTpGLEj
wFaVePYoP+rfdmfLfTdmkkm4APRJa2My3XOdGFlgNS1pW1pH4az5LapLE2vMO7p1aQ==
-- Information acquired via protocol DNS in 14.4ms.
-- Data is authenticated: no
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Let's make sure our poll() calls don't get interrupted where they shouldn't (SIGALRM, ...), but allow them to be
interrupted where they should (SIGINT, ...).
Fixes #1965
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When the user specifies "foo*" as unit name glob expression, we shouldn't turn this into "foo*.service". Hence: only
append a suffix if the specified string isn't a glob expression.
Fixes: #2397
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THis is otherwise really hard to read...
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Ask password unicode fix
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[v1] core: resolve specifier in config_parse_exec()
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Let's make sure the root domain is normalized to ".", rather than then empty string, so that there's actually something
to see on screen. Normally, we don't append a trailing dot to normalized domain names, but do so in the one exception
of the root domain, taking inspiration from UNIX file system paths.
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CID #1327432.
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CID #1339830.
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CID #1341451.
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equivalent
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empty non-terminals generally lack NSEC RRs, which means we can deduce their existance only from the fact that there
are other RRs that contain them in their suffix. Specifically, the NSEC proof for NODATA on ENTs works by sending the
NSEC whose next name is a suffix of the queried name to the client. Use this information properly.
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In contrast to ascii_strcasecmp_nn() it takes two character buffers with their individual length. It will then compare
the buffers up the smaller size of the two buffers, and finally the length themselves.
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dns_name_startswith() is to dns_name_endswith() as startswith() is to endswith().
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Also add a coccinelle receipt to help with such transitions.
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The ambient capability tests are only run if the kernel has support for
ambient capabilities.
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Change the capability bounding set parser and logic so that the bounding
set is kept as a positive set internally. This means that the set
reflects those capabilities that we want to keep instead of drop.
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Now, config_parse_exec() use the userdata as unit and assert on NULL. So
allocate empty unit and use that on config_parse_exec().
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Fixes:
$ make valgrind-tests TESTS=test-rlimit-util
...
Running test-rlimit-util
Assertion 'setrlimit(RLIMIT_NOFILE, &new) >= 0' failed at src/test/test-rlimit-util.c:41, function main(). Aborting.
See http://valgrind.org/docs/manual/dist.news.old.html
The setrlimit system call now simply updates the emulated limits as best
as possible - the hard limit is not allowed to move at all and just
returns EPERM if you try and change it.
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Previously, we'd not allow control characters to be embedded in domain
names, even when escaped. Since cloudflare uses \000 however to
implement its synthethic minimally covering NSEC RRs, we should allow
them, as long as they are properly escaped.
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All our other domain name handling functions make no destinction between
domain names that end in a dot plus a NUL, or those just ending in a
NUL. Make sure dns_name_compare_func() and dns_label_unescape_suffix()
do the same.
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Be stricter when searching suitable NSEC3 RRs for proof: generalize the
check we use to find suitable NSEC3 RRs, in nsec3_is_good(), and add
additional checks, such as checking whether all NSEC3 RRs use the same
parameters, have the same suffix and so on.
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Note that this is still not complete, one additional step is still
missing: when we verified that a wildcard RRset is properly signed, we
still need to do an NSEC/NSEC3 proof that no more specific RRset exists.
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basic: add RB-Tree implementation
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This adds an self-standing RB-Tree implementation to src/basic/. This
will be needed for NSEC RR lookups, since we need "close lookups", which
hashmaps (not even ordered-hashmaps) can give us in reasonable time.
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canonical names
We'll need this later when putting together RR serializations to
checksum.
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Dns label fixes + unrelated selinux clean-up
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We need to check the same thing in multiple tests. Use a shared
macro to make it easier to update the list of errnos.
Change the errno code for "unitialized cgroup fs" for ENOMEDIUM.
Exec format error looks like something more serious.
This fixes test-execute invocation in mock.
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test-acl-util: fix two issues from review
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https://github.com/systemd/systemd/pull/2063
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Some calls used ENOBUFS to indicate too-short result buffers, others
used ENOSPC. Let's unify this on ENOBUFS.
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Let's better be safe than sorry.
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domain
The root domain consists of zero labels, and we should be able to encode
that.
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Make sure dns_name_normalize(), dns_name_concat(), dns_name_is_valid()
do not accept/generate invalidly long hostnames, i.e. longer than 253
characters.
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Labels of zero length are not OK, refuse them early on. The concept of a
"zero-length label" doesn't exist, a zero-length full domain name
however does (representing the root domain). See RFC 2181, Section 11.
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Two unrelated fixes
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For now, only add_acls_for_user is tested. When run under root, it
actually sets the acls. When run under non-root, it sets the acls for
the user, which does nothing, but at least calls the functions.
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Let's distuingish the cases where our code takes an active role in
selinux management, or just passively reports whatever selinux
properties are set.
mac_selinux_have() now checks whether selinux is around for the passive
stuff, and mac_selinux_use() for the active stuff. The latter checks the
former, plus also checks UID == 0, under the assumption that only when
we run priviliged selinux management really makes sense.
Fixes: #1941
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GLIB has recently started to officially support the gcc cleanup
attribute in its public API, hence let's do the same for our APIs.
With this patch we'll define an xyz_unrefp() call for each public
xyz_unref() call, to make it easy to use inside a
__attribute__((cleanup())) expression. Then, all code is ported over to
make use of this.
The new calls are also documented in the man pages, with examples how to
use them (well, I only added docs where the _unref() call itself already
had docs, and the examples, only cover sd_bus_unrefp() and
sd_event_unrefp()).
This also renames sd_lldp_free() to sd_lldp_unref(), since that's how we
tend to call our destructors these days.
Note that this defines no public macro that wraps gcc's attribute and
makes it easier to use. While I think it's our duty in the library to
make our stuff easy to use, I figure it's not our duty to make gcc's own
features easy to use on its own. Most likely, client code which wants to
make use of this should define its own:
#define _cleanup_(function) __attribute__((cleanup(function)))
Or similar, to make the gcc feature easier to use.
Making this logic public has the benefit that we can remove three header
files whose only purpose was to define these functions internally.
See #2008.
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* refuse limits if soft > hard
* print an actual value instead of (null)
see https://github.com/systemd/systemd/pull/1994#issuecomment-159999123
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resolved. Fully implement search domains for single-label names
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core: support <soft:hard> ranges for RLIMIT options
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The new dns_label_escape() call now operates on a buffer passed in,
similar to dns_label_unescape(). This should make decoding a bit faster,
and nicer.
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